( Show that the equation 2 cos. x = 3 tanx can be written as a quadratic equation in sin. r. (it) Solve the equation 2 cos 2y = 3 tan 2y, for 0° <y & 180°.

Students are getting signatures for a petition to increase sports activities at the community center. the number of signatures they get each day is 3 times as many as the day before. the expression 3^6 represents the number of signatures they got on the sixth day. how many signatures did they get on the first day?